body {
    margin-left: 10%;
    margin-right: 10%
    }
h1, h2, h3, h4, h5, h6 {
    text-align: center;
    clear: both
    }
p {
    margin-top: 0.51em;
    text-align: justify;
    margin-bottom: 0.49em
    }
hr {
    width: 33%;
    margin-top: 2em;
    margin-bottom: 2em;
    margin-left: auto;
    margin-right: auto;
    clear: both
    }
hr.tb {
    width: 45%
    }
hr.chap {
    width: 65%
    }
table {
    margin-left: auto;
    margin-right: auto;
    width: 75%;
    border-collapse: collapse
    }
.tdl {
    text-align: left
    }
.tdr {
    text-align: right
    }
.tdc {
    text-align: center
    }
.pagenum {
    font-size: smaller;
    text-align: right
    }
.bbox {
    border: solid 2px;
    width: 20em;
    margin-left: auto;
    margin-right: auto;
    padding: 1em
    }
.center {
    text-align: center
    }
.right {
    text-align: right
    }
.smcap {
    font-variant: small-caps
    }
.caption {
    font-weight: bold
    }
.figcenter {
    margin: auto;
    text-align: center
    }